Call phones from Gmail — Gmail voice and video chat makes it easy to stay in touch with friends and family using your computer's microphone and speakers. But until now, this required both people to be at their computers, signed into Gmail at the same time.

Is this Microsoft's new Internet Explorer 9 interface? — Microsoft has delivered four developer previews of Internet Explorer (IE) 9 so far, but has yet to show off the new interface for its next-generation browser. That is expected to happen on September 15, during Microsoft's beta launch event in San Francisco.

Digg Version 4 — I'm excited to announce that today we opened up the newest version of our Digg platform. We've been working hard on this next evolution of Digg (what we've been calling “v4") and everyone here is really looking forward to hearing your thoughts on the changes we've made.

Apple Issues Invitation For September 1 “Special Event” — Apple (AAPL) has e-mailed invitations to the media for a “special event” to be held September 1 at 10 a.m. at the Yerba Buena Center in San Francisco. Previous reports suggested that Apple would be holding an event on September 7 …

Apple's New Video Strategy Coming Into Focus — The blogosphere has been buzzing with talk of a radically updated version of the Apple TV set-top box. It turns out Apple plans to unveil the $99 device at an event on Sept. 7, my Bloomberg colleagues and I reported today .

Amazon Loses E-Book Deal — A month after jolting the book industry with a deal to give Amazon.com Inc. exclusive digital access to some of the country's best-known literary works, literary agent Andrew Wylie is largely abandoning the agreement. — The Amazon deal was struck after Mr. Wylie failed …

Defense official discloses cyberattack — Now it is official: The most significant breach of U.S. military computers was caused by a flash drive inserted into a U.S. military laptop on a post in the Middle East in 2008. — In an article to be published Wednesday discussing the Pentagon's cyberstrategy …

Online Coupons Get Smarter — Groupon, Rivals Add Personalized Bargains, Staff as Some Merchants Gripe — When Jennifer London cut a deal with Groupon Inc. to promote her smoothie shop in an email, she wasn't sure how many people would show up for discounted drinks.

Shareholder trading values Facebook at more than $33bn — With shares selling for up to $76, investors are calculating social networking site is worth nearly twice as much as Yahoo! — Facebook is now being valued at more than $33bn (£21.3bn) as investors try to secure a stake …

Podcaster Leo Laporte, the everywhere man — Leo Laporte arrived Thursday at Bob Hope Airport in Burbank. — On Friday morning he arrived at the office of KFI AM 640, the radio station that airs his syndicated “The Tech Guy” program. At 3:42 p.m., he was back at the airport, ready to fly home to Petaluma, Calif.

A Search Service that Can Peer into the Future — A Yahoo Research tool mines news archives for meaning—illuminating past, present, and even future events. — Showing news stories on a timeline has been tried before. But Time Explorer, a prototype news search engine created …